Widely used Spinnaker components (Clouddriver/Orca) with URL parsing bypass; risk across many orgs.
CVE-2026-25534
Critical URL parsing bypass in Spinnaker Clouddriver/Orca via crafted URLs
Is CVE-2026-25534 being exploited?
Not confirmed. CVE-2026-25534 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.25% probability of exploitation in the next 30 days.
How severe is CVE-2026-25534?
CVE-2026-25534 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-25534?
Yes. A fix has been recorded for CVE-2026-25534. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-25534 affect?
CVE-2026-25534 affects Spinnaker Clouddriver, Spinnaker Orca. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-25534?
Patch to latest Spinnaker releases per notes
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Bypasses URL validation; could enable pipeline manipulation or data exposure via crafted URLs.
Patch when possible
- affected< 2025.2.4
- affected>= 2025.3.0 and < 2025.3.1
- affected>= 2025.4.0 and < 2025.4.1
- affected< 2025.2.4
- affected>= 2025.3.0 and < 2025.3.1
- affected>= 2025.4.0 and < 2025.4.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.